CN210136296U - Intelligent switch with switch external temperature detection function - Google Patents
Intelligent switch with switch external temperature detection function Download PDFInfo
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- CN210136296U CN210136296U CN201920410441.7U CN201920410441U CN210136296U CN 210136296 U CN210136296 U CN 210136296U CN 201920410441 U CN201920410441 U CN 201920410441U CN 210136296 U CN210136296 U CN 210136296U
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Abstract
The utility model provides an intelligent switch of area switch outside temperature detection, including non-contact temperature sensor, signal processing circuit and control unit, incoming line terminal and the terminal outgoing line of being surveyed the switch outside are long-range relative a non-contact temperature sensor that is provided with respectively, be used for detecting the temperature at being surveyed the switch both ends, signal processing circuit is all connected to each non-contact temperature sensor's signal output part, signal processing circuit's output connection control unit, signal processing circuit is used for judging the running state of switch inside contact, incoming line terminal and connecting device according to the temperature detection signal at being surveyed the switch both ends, control unit is used for controlling according to the information of signal processing circuit output and carries out the early warning, report to the police or carry out predetermined safety control action. By using the intelligent control switch, the power utilization accident caused by poor contact of the switch can be effectively avoided.
Description
Technical Field
The utility model relates to an electric wire switch especially relates to an intelligent switch who takes switch outside temperature to detect.
Background
In order to detect whether the switch is in poor contact, the prior art measures the internal contact resistance of the switch by a voltage or current method, and judges whether the switch is in good contact or not by calculating the contact resistance of the switch. However, under the influence of, for example, unstable system power supply, measurement circuit precision, electronic circuit interference, and a fault at an external connection of the switch, the method of determining whether the switch contact is good by using a micro-resistance method is susceptible to the influence of voltage, current change, and a fault at the external connection of the switch, and therefore, the contact resistance of the switch can not be accurately measured, and a determination error is also easily generated, thereby causing a false alarm or a false alarm. The accident is easy to be caused especially by inaccurate judgment, and potential safety hazard or economic loss is brought.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes prior art's is not enough, provides an intelligent switch who takes switch outside temperature to detect to avoid switch inside contact failure and switch business turn over binding post and connecting device etc. harmfully and arouse the power consumption accident effectively.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take outside temperature detection's of switch intelligence switch, includes non-contact temperature sensor, signal processing circuit and the control unit, is provided with one with the incoming line terminal and the outgoing line terminal of being surveyed the outside switch respectively long distance relatively non-contact temperature sensor for detect the temperature at being surveyed the switch both ends, each non-contact temperature sensor's signal output part all connects signal processing circuit, signal processing circuit's output is connected the control unit, signal processing circuit is used for judging switch inside contact, business turn over line terminal and connecting device's running state according to the temperature detection signal at being surveyed the switch both ends, the control unit be used for the basis signal processing circuit output's information controls and carries out early warning, warning or carries out predetermined safety control action.
Further:
the non-contact temperature sensor is a laser temperature sensor or an infrared temperature sensor.
The signal processing circuit comprises a plurality of operational amplifiers, an analog-to-digital converter and a data processing unit, the non-contact temperature sensors are respectively connected to the input end of one operational amplifier, the output end of each operational amplifier is connected to the input end of the analog-to-digital converter, and the output end of the analog-to-digital converter is connected with the data processing unit.
The data processing unit is a micro control unit.
And the display unit is connected with the signal processing circuit and used for displaying the detection information.
The system also comprises a communication part connected with the signal processing circuit and used for sending the detection information to a monitoring terminal and/or networking so as to realize cross-region monitoring management.
The monitoring terminal is a mobile phone of a user or a computer of a management center.
And the storage device is connected with the signal processing circuit and is used for storing detection information and/or preset information related to judgment.
The switch is a switch in a single-phase or three-phase alternating current system, or a switch in a direct current system.
The utility model discloses following beneficial effect has:
the intelligent control switch of the utility model comprises a non-contact temperature sensor, a signal processing circuit and a control unit, the temperature of two wiring ends (namely the inlet and outlet wire joints of the switch) of a tested switch is detected by the non-contact temperature sensor, the heat productivity of the two wiring ends outside the switch is detected, the surface temperature data on a switch transmission device is obtained, the signal processing circuit judges the operation state of the internal contact of the switch, the inlet and outlet wiring terminals and the connecting device thereof according to the temperature data of the two wiring ends of the tested switch, the internal contact of the switch, the inlet and outlet wire terminals of the switch or the connecting device can be accurately and reliably detected, the hidden danger of poor contact or the hidden danger of poor contact can be generated, and then the control unit can accurately and timely carry out early warning, alarming, executing trip control and other automatic protection actions, and the like, thereby effectively avoiding the, such as: short circuit, fire, power outage, etc. Except can avoiding contact failure to miss the inspection effectively, the utility model discloses an intelligent control switch can also eliminate effectively and detect the erroneous judgement that little resistance method leads to because of reasons such as circuit system unstability, avoids causing the wrong report police, has also significantly reduced the needs of artifical inspection, has saved the cost of labor.
Drawings
Fig. 1 is the structure diagram of an embodiment of the intelligent control switch of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Referring to fig. 1, in one embodiment, an intelligent switch with switch external temperature detection includes a non-contact temperature sensor T, a signal processing circuit and a control unit, the non-contact temperature sensor T is respectively arranged opposite to the inlet terminal and the outlet terminal outside the switch K to be tested in a long distance, used for detecting the temperature at the two ends of the switch K to be detected, the signal output end of each non-contact temperature sensor T is connected with the signal processing circuit, the output end of the signal processing circuit is connected with the control unit, the signal processing circuit is used for judging the operating states of the internal contact of the switch, the in-out wiring terminal of the switch and the connecting device thereof according to the temperature detection signals at the two ends of the switch K to be detected, the control unit is used for controlling to carry out early warning, alarming or executing preset safety control actions according to the information output by the signal processing circuit.
During operation, this intelligent control switch passes through the temperature at non-contact temperature sensor T detection surveyed switch K both ends, survey the calorific capacity of two wiring ends in the outside, signal processing circuit judges according to the temperature detection state of being surveyed switch K both ends joint department, can accurately detect out switch inner contact reliably, business turn over line terminal or connecting device have contact failure or have the hidden danger that produces contact failure, and then the control unit can be accurate in view of the above, in time carry out the early warning, report to the police, and carry out automatic protection action such as trip control etc. to avoid switch contact failure effectively and arouse the power consumption accident, if: short circuit, fire, power outage, etc. Except can avoiding contact failure to miss the inspection effectively, the utility model discloses an intelligent control switch can also eliminate effectively and detect the erroneous judgement that little resistance method leads to because of reasons such as circuit system unstability, avoids causing the wrong report police, has also significantly reduced the needs of artifical inspection, has saved the cost of labor.
In different embodiments, the non-contact temperature sensor T may be a laser temperature sensor, an infrared temperature sensor, or the like.
In a preferred embodiment, the signal processing circuit includes a plurality of operational amplifiers op, an analog-to-digital converter and a data processing unit, each non-contact temperature sensor T is connected to an input end of one operational amplifier op, an output end of each operational amplifier op is connected to an input end of the analog-to-digital converter, and an output end of the analog-to-digital converter is connected to the data processing unit.
In a preferred embodiment, the data processing unit is a micro control unit MCU.
In a preferred embodiment, the intelligent control switch further comprises a display unit connected to the signal processing circuit for displaying the detection information.
In a preferred embodiment, the intelligent control switch further comprises a communication part connected with the signal processing circuit, and the communication part is used for sending the detection information to a monitoring terminal and/or networking to realize cross-regional monitoring management.
In a specific embodiment, the monitoring terminal is a mobile phone of a user or a computer of a management center.
In some embodiments, the intelligent control switch may further comprise a storage device connected to the signal processing circuit for storing the detection information and/or preset information related to the determination.
In different embodiments, the intelligent control switch may be a switch in a single-phase or three-phase ac system, and may also be a switch in a dc system.
The features and operation of particular embodiments of the present invention are further described below in conjunction with the following figures.
The intelligent control switch of one specific embodiment comprises a non-contact temperature sensor, an operational amplifier, an analog-to-digital converter, a data processing unit, a display unit, a control unit, other peripheral equipment (such as keys), a control unit and a communication part, and can monitor the operation condition of the switch in real time.
The non-contact temperature sensors (such as laser temperature measuring sensors or infrared temperature measuring sensors) which are respectively arranged in a long-distance opposite mode with an incoming terminal and an outgoing terminal outside the switch to be measured obtain temperature data from the two wiring terminals outside the switch to be measured, the temperature data are transmitted to the operational amplifier, the temperature data are transmitted to the analog-to-digital converter (ADC) after being processed by the operational amplifier, the temperature data are transmitted to the data processing unit such as a Micro Control Unit (MCU) by the analog-to-digital converter to be subjected to data analysis, actual detection temperature is obtained, the actual detection temperature is compared with a set temperature value, and a comparison result is transmitted to. The control unit such as a CPU outputs an alarm signal, controls the action of a relay, trips and the like through an IO port of the CPU and a driving circuit. Meanwhile, the data processing unit can send the detection result to the display unit for displaying, and can also transmit the detection result to a PC (personal computer) of the management center through the communication part via a network for displaying and recording.
In the working process, when the temperature of one of the two connecting terminals of the switch to be tested is detected to reach a preset temperature value, the system performs corresponding processing, such as early warning, alarming, tripping control, automatic protection and the like. All data can be stored by local devices connected to the data processing unit or sent to a management center for data storage through a network.
In addition, the remote monitoring, data retention and switching-on and switching-off of the remote operation switches of a plurality of switches can be realized through the control of a networked management center.
In addition, the system can preset the closing times and the using time of the switch and write the closing times and the using time into a system memory, and when the preset closing times of the switch are reached, a user is reminded to maintain so as to prolong the service life of the switch.
Use the utility model discloses an intelligent control switch founds a system, can realize that automatic switch patrols and examines, switch number of times, long-range combined floodgate, shut brake, early warning, warning temperature set for and the routine maintenance record. May be operated or consulted by computer software. Multiple (unlimited number) switches may be monitored simultaneously. The system can be networked through networking (wired and wireless), and then a management center or a mobile phone APP carries out supervision. The data can also be uploaded to a cloud server, and cross-region and cross-domain monitoring management is achieved. Of course, stand-alone (single non-networked) operation is also possible.
Use the utility model discloses an intelligent control switch can network and form the networking system of transregional, cross-domain, can carry out scene or remote monitoring and control to single, a plurality of or infinite position. The system sends an alarm signal by monitoring of the intelligent control switch, and can trigger the management center, the mobile phone APP, the short message sending and the mobile phone dialing of the manager to inform the monitoring manager in various modes.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific/preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. For those skilled in the art to which the invention pertains, a plurality of alternatives or modifications can be made to the described embodiments without departing from the concept of the invention, and these alternatives or modifications should be considered as belonging to the protection scope of the invention.
Claims (9)
1. The intelligent switch with the switch external temperature detection function is characterized by comprising non-contact temperature sensors, a signal processing circuit and a control unit, wherein one non-contact temperature sensor is respectively and oppositely arranged at a long distance from an incoming line terminal and an outgoing line terminal outside a switch to be detected and used for detecting the temperature at two ends of the switch to be detected, the signal output end of each non-contact temperature sensor is connected with the signal processing circuit, the output end of the signal processing circuit is connected with the control unit, the signal processing circuit is used for judging the operation states of a switch internal contact, the incoming line terminal and a connecting device thereof according to temperature detection signals at two ends of the switch to be detected, and the control unit is used for controlling early warning, alarming or executing preset safety control actions according to information output by the signal processing circuit.
2. The intelligent switch with switch external temperature detection according to claim 1, wherein the non-contact temperature sensor is a laser temperature sensor or an infrared temperature sensor.
3. The intelligent switch with switch external temperature detection as recited in claim 1, wherein said signal processing circuit comprises a plurality of operational amplifiers, an analog-to-digital converter and a data processing unit, each non-contact temperature sensor is connected to an input terminal of one operational amplifier, an output terminal of each operational amplifier is connected to an input terminal of said analog-to-digital converter, and an output terminal of said analog-to-digital converter is connected to said data processing unit.
4. The intelligent switch with switch external temperature detection according to claim 3, wherein the data processing unit is a micro control unit.
5. An intelligent switch with switch external temperature detection as claimed in any one of claims 1 to 4, further comprising a display unit connected to said signal processing circuit for displaying detection information.
6. The intelligent switch with switch external temperature detection function according to any one of claims 1 to 4, further comprising a communication part connected with the signal processing circuit, wherein the communication part is used for sending detection information to a monitoring terminal and/or networking so as to realize cross-regional monitoring management.
7. The intelligent switch with switch external temperature detection according to claim 6, wherein the monitoring terminal is a user's mobile phone or a computer of a management center.
8. An intelligent switch with switch external temperature detection as claimed in any one of claims 1 to 4, further comprising a storage device connected to said signal processing circuit for storing detection information and/or preset information related to making said determination.
9. The intelligent switch with switch external temperature detection according to any one of claims 1 to 4, wherein the switch is a switch in a single-phase or three-phase AC system, or a switch in a DC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410441.7U CN210136296U (en) | 2019-03-28 | 2019-03-28 | Intelligent switch with switch external temperature detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920410441.7U CN210136296U (en) | 2019-03-28 | 2019-03-28 | Intelligent switch with switch external temperature detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136296U true CN210136296U (en) | 2020-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920410441.7U Active CN210136296U (en) | 2019-03-28 | 2019-03-28 | Intelligent switch with switch external temperature detection function |
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| Country | Link |
|---|---|
| CN (1) | CN210136296U (en) |
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- 2019-03-28 CN CN201920410441.7U patent/CN210136296U/en active Active
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